From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12992 invoked by alias); 13 Jun 2003 04:38:39 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 12968 invoked from network); 13 Jun 2003 04:38:38 -0000 Received: from unknown (HELO crack.them.org) (146.82.138.56) by sources.redhat.com with SMTP; 13 Jun 2003 04:38:38 -0000 Received: from dsl093-172-017.pit1.dsl.speakeasy.net ([66.93.172.17] helo=nevyn.them.org ident=mail) by crack.them.org with asmtp (Exim 3.12 #1 (Debian)) id 19QgLT-00017S-00; Thu, 12 Jun 2003 23:39:23 -0500 Received: from drow by nevyn.them.org with local (Exim 3.36 #1 (Debian)) id 19QgKg-0006JZ-00; Fri, 13 Jun 2003 00:38:34 -0400 Date: Fri, 13 Jun 2003 04:38:00 -0000 From: Daniel Jacobowitz To: David Carlton Cc: gdb-patches@sources.redhat.com Subject: Re: [rfa] always use demangled name to set scope Message-ID: <20030613043834.GA24239@nevyn.them.org> Mail-Followup-To: David Carlton , gdb-patches@sources.redhat.com References: <20030612231727.GA19870@nevyn.them.org> <20030613042214.GA24015@nevyn.them.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.1i X-SW-Source: 2003-06/txt/msg00453.txt.bz2 On Thu, Jun 12, 2003 at 09:28:13PM -0700, David Carlton wrote: > On Fri, 13 Jun 2003 00:22:14 -0400, Daniel Jacobowitz said: > > On Thu, Jun 12, 2003 at 06:01:28PM -0700, David Carlton wrote: > >> On Thu, 12 Jun 2003 19:17:27 -0400, Daniel Jacobowitz said: > > >> > By 6.1 I want to rip out all uses of the demangled name along the > >> > DWARF-2 code path though. If I can find the time... > >> > >> We'll see. I do think that the nested type deduction machinery is > >> both useful and impossible to do without demangled names. And there > > > I completely disagree. We have all the machinery in DWARF-2 to do it > > without demangled names by using the available hierarchy; it was > > designed to suffice for this. > > Yeah, but we need DW_TAG_namespace to do it, and a version of GCC > providing that probably won't be released until next calendar year. I > certainly don't use demangled names to do nested type deduction if we > have DW_TAG_namespace, but I do think it will be important for the > next two or three years. That's namespace deduction. Nested type deduction is a slightly different story - the principle is the same but we already have all the information we need. > >> are fun bits like how gnuv3_rtti_type looks at the demangled name of > >> the vtable. If it were possible to get rid of that, I would be a > >> happy person indeed, since its existence is probably going to force me > >> to change the demangler's output somewhat. (On the other hand, that > >> call is also a useful canary in the coal mine, too, because of the > >> RTTI warning that comes out of it.) > > > I am fairly sure we can kill that for DWARF-2 at least. > > Sounds good to me. I just hope I'm right :) -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer